use crate::SIMS;
use cultivar_common::prelude::*;

use sp_runtime_interface::runtime_interface;

#[allow(dead_code)]
#[runtime_interface]
pub trait Api {
	fn say(msg: &str) {
		println!("{msg}");
	}

	fn walk(
		sim_id: SimId,
		entity_id: EntityId,
		direction: Direction,
	) -> Result<Result<Position, (Position, WalkError)>, SimError> {
		if let Some(mut sim) = SIMS.write().sims.get_mut(&sim_id) {
			let sim = sim.value_mut();
			if let Some(entity) = sim.entities.get_mut(&entity_id) {
				match entity {
					Entity::Ferris(entity) => Ok(entity.walk(&sim.board, direction)),
				}
			} else {
				Err(SimError::EntityNotFound)
			}
		} else {
			Err(SimError::SimNotFound)
		}
	}
}